Geometric Sequence
Authored by Roda Sotto-Doromal
Mathematics
10th Grade
Used 18+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The common ratio is _______from the preceding term to find the next term of a geometric sequence.
added
subtracted
multiplied
divided
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following sequences illustrate a geometric sequence?
-28, -24, -16, 12, …
1/32, 1/28, 1/24, …
32, -16, 8, -4, …
4, 8, 12, 16, …
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the common ratio of the geometric sequence
1, 5, 25, 125, …?
5
1/5
-5
15
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The formula an = a1 rn-1 contains the following EXCEPT
_____________________
Common ratio
Common difference
Term number
First term
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What are the next 2 terms of the geometric sequence -1, 2, -4, 8, …?
-16, 32
16, -32
-16, -32
16, 32
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In the geometric sequence
81, 27, 9, … What is the common ratio?
-3
3
-1/3
1/3
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the common ratio of this sequence ? 5, 25, 125, ...
4
2
5
6
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